General Description

The MAX1463 is a highly integrated, low-power, two-channel sensor signal processor optimized for industrial and process control applications such as pressure sensing and compensation, RTD and thermal-couple linearization, weight sensing and classification, and remote process monitoring with limit indication.

Features

♦ Programmable Amplification, Calibration, Linearization, and Temperature Compensation

♦ Two Differential or Four Single-Ended Sensor Input Channels

♦ Accommodates Sensor Output Sensitivities from 1mV/V to 1V/V

♦ Two DAC/PWM Output Signal Channels

♦ 4–20mA Output Capability

♦ 4kB of FLASH Memory for Code and Coefficients

♦ 128 Bytes of FLASH Memory for User Information

♦ Integrated Temperature Sensor

♦ Flexible Dual Op-Amp Blocks

♦ Programmable Sensor Input Gain and Offset

♦ Programmable Sensor Sampling Rate and Resolution

♦ Programmable Current Excitation Source for Bridge Sensors

♦ Buffered 1.25V Output Reference

♦ No External Trim Components Required

Applications

    Pressure Sensor Signal Conditioning

    Weight Measurement Systems

    Thermocouple and RTD Linearization

    Transducers and Transmitters

    Process Indicators

    Calibrators and Controllers

    GMR and MR Magnetic Direction Sensors